Home / 12,261,796.80-18,392,695.20-5,868,758.40

Finding the Fourth Proportional to 12,261,796.80, 18,392,695.20 and 5,868,758.40

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Solution

The fourth proportional to 12,261,796.80, 18,392,695.20 and 5,868,758.40 is: 8,803,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261,796.80 : 18,392,695.20 = 5,868,758.40 : x
  2. Step 2: Convert to fraction form
    12,261,796.80/18,392,695.20 = 5,868,758.40/x
  3. Step 3: Cross multiply
    12,261,796.80x = 18,392,695.20 × 5,868,758.40
  4. Step 4: Simplify right side
    12,261,796.80x = 107,942,284,453,639.69
  5. Step 5: Solve for x
    x = 107,942,284,453,639.69/12,261,796.80
  6. Step 6: Final answer
    x = 8,803,137.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.